xref: /linux/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml (revision 52990390f91c1c39ca742fc8f390b29891d95127) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/arm/stm32/st,stm32-syscon.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: STMicroelectronics STM32 Platforms System Controller
8
9maintainers:
10  - Alexandre Torgue <alexandre.torgue@foss.st.com>
11  - Christophe Roullier <christophe.roullier@foss.st.com>
12
13properties:
14  compatible:
15    oneOf:
16      - items:
17          - enum:
18              - st,stm32mp157-syscfg
19              - st,stm32mp151-pwr-mcu
20              - st,stm32-syscfg
21              - st,stm32-power-config
22              - st,stm32-tamp
23              - st,stm32f4-gcan
24          - const: syscon
25      - items:
26          - const: st,stm32-tamp
27          - const: syscon
28          - const: simple-mfd
29
30  reg:
31    maxItems: 1
32
33  clocks:
34    maxItems: 1
35
36required:
37  - compatible
38  - reg
39
40if:
41  properties:
42    compatible:
43      contains:
44        enum:
45          - st,stm32mp157-syscfg
46          - st,stm32f4-gcan
47then:
48  required:
49    - clocks
50
51additionalProperties: false
52
53examples:
54  - |
55    #include <dt-bindings/clock/stm32mp1-clks.h>
56    syscfg: syscon@50020000 {
57        compatible = "st,stm32mp157-syscfg", "syscon";
58        reg = <0x50020000 0x400>;
59        clocks = <&rcc SYSCFG>;
60    };
61
62...
63